About MechWarrior 5: Mercenaries

In MechWarrior 5, it is 3015 and the human race has ventured and colonized the stars. The main area colonized is known as the Inner Sphere, which is now divided into five Successor States or Great Houses. These Great Houses have fought and quarreled for centuries and are now in the midst of a Third Succession War, one which has been raging for almost 150 years.